2705522131 has 16 divisors (see below), whose sum is σ = 3081992256. Its totient is φ = 2356079616.

The previous prime is 2705522129. The next prime is 2705522159. The reversal of 2705522131 is 1312255072.

It is a cyclic number.

It is not a de Polignac number, because 2705522131 - 2¹ = 2705522129 is a prime.

It is a super-2 number, since 2×2705522131² = 14639700002661562322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2705522131.

It is not an unprimeable number, because it can be changed into a prime (2705522101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40150 + ... + 83803.

It is an arithmetic number, because the mean of its divisors is an integer number (192624516).

Almost surely, 2^2705522131 is an apocalyptic number.

2705522131 is a deficient number, since it is larger than the sum of its proper divisors (376470125).

2705522131 is a wasteful number, since it uses less digits than its factorization.

2705522131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124062.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2705522131 is about 52014.6338158792. The cubic root of 2705522131 is about 1393.4253170211.

The spelling of 2705522131 in words is "two billion, seven hundred five million, five hundred twenty-two thousand, one hundred thirty-one".